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89 27 89 28 89 29 89 30 89 31 89 32 89 33 89 34 89 35 89 36 89 37 6546 6545 6544 6543 6542 6541 6540 6539 6538 6537

= Free Coordinate    = Occupied(Single Region)     = Occupied (Var Region)     = Center of the grid